OPTICAL WIRELESS DUPLEX COMMUNICATION SYSTEM Russian patent published in 2002 - IPC

FIELD: light-wave communications; digital communication systems. SUBSTANCE: use is made of two optical transceivers of definite configuration mounted on opposite ends of optical communication line. Proposed optical communication system may be made as two- or four- component assembly; two-component system has each of mentioned transceivers incorporating one optical transmitter (optical emitter) and optical receiver; optical transmitter of each transceiver and optical receiver are coupled with respective converter through respective modulator and demodulator ; four-component system has of mentioned transceivers incorporating two optical transmitters and two optical receivers; two optical transmitters and two optical receivers of each transceiver are coupled with converter through respective modulator and series-connected adder and demodulator. EFFECT: reduced failure probability, enhanced noise immunity, reduced manufacturing cost and maintenance charges. 2 cl, 5 dwg